1 files changed, 6 insertions, 6 deletions

diff --git a/src/Comm.c b/src/Comm.c
index e23c515..b37331c 100644
--- a/src/Comm.c
+++ b/src/Comm.c
@@ -46,7 +46,7 @@ static int PUGH_SyncSingleProc(pGH *pughGH, pComm *comm);
 
    @var        GH
    @vdesc      Pointer to CCTK grid hierarchy
-   @vtype      cGH *
+   @vtype      const cGH *
    @vio        in
    @endvar
    @var        groupname
@@ -63,7 +63,7 @@ static int PUGH_SyncSingleProc(pGH *pughGH, pComm *comm);
                -1 for an unknown group or group type
    @endreturndesc
 @@*/
-int PUGH_SyncGroup(cGH *GH, const char *groupname)
+int PUGH_SyncGroup(const cGH *GH, const char *groupname)
 {
   cGroup pgroup;
   int group, retval;
@@ -119,7 +119,7 @@ int PUGH_SyncGroup(cGH *GH, const char *groupname)
  
    @var        GH
    @vdesc      Pointer to CCTK grid hierarchy
-   @vtype      cGH *
+   @vtype      const cGH *
    @vio        in
    @endvar
    @var        groupname
@@ -136,7 +136,7 @@ int PUGH_SyncGroup(cGH *GH, const char *groupname)
                -1 for an unknown group type
    @endreturndesc
  @@*/
-int PUGH_EnableGroupComm(cGH *GH, const char *groupname)
+int PUGH_EnableGroupComm(const cGH *GH, const char *groupname)
 {
   int group, retval;
   cGroup pgroup;
@@ -183,7 +183,7 @@ int PUGH_EnableGroupComm(cGH *GH, const char *groupname)
 
    @var        GH
    @vdesc      Pointer to CCTK grid hierarchy
-   @vtype      cGH *
+   @vtype      const cGH *
    @vio        in
    @endvar
    @var        groupname
@@ -200,7 +200,7 @@ int PUGH_EnableGroupComm(cGH *GH, const char *groupname)
                -1 for an unknown group type
    @endreturndesc
  @@*/
-int PUGH_DisableGroupComm(cGH *GH, const char *groupname)
+int PUGH_DisableGroupComm(const cGH *GH, const char *groupname)
 {
   int group, first_var, retval;
   cGroup pgroup;